20627103720 has 32 divisors (see below), whose sum is σ = 61881311520. Its totient is φ = 5500560960.

The previous prime is 20627103689. The next prime is 20627103793. The reversal of 20627103720 is 2730172602.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85946146 + ... + 85946385.

It is an arithmetic number, because the mean of its divisors is an integer number (1933790985).

Almost surely, 2^20627103720 is an apocalyptic number.

20627103720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20627103720 is an abundant number, since it is smaller than the sum of its proper divisors (41254207800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20627103720 is a wasteful number, since it uses less digits than its factorization.

20627103720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171892545 (or 171892541 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The spelling of 20627103720 in words is "twenty billion, six hundred twenty-seven million, one hundred three thousand, seven hundred twenty".